Make exercise a habit.
There are only a few weeks until the start of summer, and it's a great time to cement an exercise habit you can maintain for a lifetime. (Check out this 10-week workout routine.) Unfortunately, real life often intrudes into the best intentions, and before you know it, one skipped workout turns into two, and three...and you've dropped your new routine entirely. Here are some of the excuses we all use to avoid exercising, and why they won't fly. Forewarned is forearmed: Don't dare use them!